nice thing – Red Laser Module - Focused Line (3.5V~4.5V 16mm 5mW) Reviews
posted by Stinkynnov on 07/17/2012
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
It's small, well built module with adjustable focus and wide angle. Very bright then powered from 3x1.5v (AA, 4.5v total) batteries.
As noted in other reviews, line ends are blurred and looks like a series of dots. I don't think it's really a con - it's visible only at the very end of the line.
Other moment - module label shows several options for shape and power supply but there is no marks which of then are suitable for this module.
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